2 * pata_amd.c - AMD PATA for new ATA layer
3 * (C) 2005-2006 Red Hat Inc
4 * Alan Cox <alan@redhat.com>
6 * Based on pata-sil680. Errata information is taken from data sheets
7 * and the amd74xx.c driver by Vojtech Pavlik. Nvidia SATA devices are
8 * claimed by sata-nv.c.
11 * Variable system clock when/if it makes sense
12 * Power management on ports
15 * Documentation publically available.
18 #include <linux/kernel.h>
19 #include <linux/module.h>
20 #include <linux/pci.h>
21 #include <linux/init.h>
22 #include <linux/blkdev.h>
23 #include <linux/delay.h>
24 #include <scsi/scsi_host.h>
25 #include <linux/libata.h>
27 #define DRV_NAME "pata_amd"
28 #define DRV_VERSION "0.3.8"
31 * timing_setup - shared timing computation and load
32 * @ap: ATA port being set up
33 * @adev: drive being configured
34 * @offset: port offset
35 * @speed: target speed
36 * @clock: clock multiplier (number of times 33MHz for this part)
38 * Perform the actual timing set up for Nvidia or AMD PATA devices.
39 * The actual devices vary so they all call into this helper function
40 * providing the clock multipler and offset (because AMD and Nvidia put
41 * the ports at different locations).
44 static void timing_setup(struct ata_port *ap, struct ata_device *adev, int offset, int speed, int clock)
46 static const unsigned char amd_cyc2udma[] = {
47 6, 6, 5, 4, 0, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 7
50 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
51 struct ata_device *peer = ata_dev_pair(adev);
52 int dn = ap->port_no * 2 + adev->devno;
53 struct ata_timing at, apeer;
55 const int amd_clock = 33333; /* KHz. */
58 T = 1000000000 / amd_clock;
59 UT = T / min_t(int, max_t(int, clock, 1), 2);
61 if (ata_timing_compute(adev, speed, &at, T, UT) < 0) {
62 dev_printk(KERN_ERR, &pdev->dev, "unknown mode %d.\n", speed);
67 /* This may be over conservative */
69 ata_timing_compute(peer, peer->dma_mode, &apeer, T, UT);
70 ata_timing_merge(&apeer, &at, &at, ATA_TIMING_8BIT);
72 ata_timing_compute(peer, peer->pio_mode, &apeer, T, UT);
73 ata_timing_merge(&apeer, &at, &at, ATA_TIMING_8BIT);
76 if (speed == XFER_UDMA_5 && amd_clock <= 33333) at.udma = 1;
77 if (speed == XFER_UDMA_6 && amd_clock <= 33333) at.udma = 15;
80 * Now do the setup work
83 /* Configure the address set up timing */
84 pci_read_config_byte(pdev, offset + 0x0C, &t);
85 t = (t & ~(3 << ((3 - dn) << 1))) | ((FIT(at.setup, 1, 4) - 1) << ((3 - dn) << 1));
86 pci_write_config_byte(pdev, offset + 0x0C , t);
88 /* Configure the 8bit I/O timing */
89 pci_write_config_byte(pdev, offset + 0x0E + (1 - (dn >> 1)),
90 ((FIT(at.act8b, 1, 16) - 1) << 4) | (FIT(at.rec8b, 1, 16) - 1));
93 pci_write_config_byte(pdev, offset + 0x08 + (3 - dn),
94 ((FIT(at.active, 1, 16) - 1) << 4) | (FIT(at.recover, 1, 16) - 1));
98 t = at.udma ? (0xc0 | (FIT(at.udma, 2, 5) - 2)) : 0x03;
102 t = at.udma ? (0xc0 | amd_cyc2udma[FIT(at.udma, 2, 10)]) : 0x03;
106 t = at.udma ? (0xc0 | amd_cyc2udma[FIT(at.udma, 1, 10)]) : 0x03;
110 t = at.udma ? (0xc0 | amd_cyc2udma[FIT(at.udma, 1, 15)]) : 0x03;
118 pci_write_config_byte(pdev, offset + 0x10 + (3 - dn), t);
122 * amd_probe_init - perform reset handling
125 * Reset sequence checking enable bits to see which ports are
129 static int amd_pre_reset(struct ata_port *ap)
131 static const struct pci_bits amd_enable_bits[] = {
132 { 0x40, 1, 0x02, 0x02 },
133 { 0x40, 1, 0x01, 0x01 }
136 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
138 if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->port_no]))
141 return ata_std_prereset(ap);
145 static void amd_error_handler(struct ata_port *ap)
147 return ata_bmdma_drive_eh(ap, amd_pre_reset,
148 ata_std_softreset, NULL,
152 static int amd_cable_detect(struct ata_port *ap)
154 static const u32 bitmask[2] = {0x03, 0x0C};
155 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
158 pci_read_config_byte(pdev, 0x42, &ata66);
159 if (ata66 & bitmask[ap->port_no])
160 return ATA_CBL_PATA80;
161 return ATA_CBL_PATA40;
165 * amd33_set_piomode - set initial PIO mode data
169 * Program the AMD registers for PIO mode.
172 static void amd33_set_piomode(struct ata_port *ap, struct ata_device *adev)
174 timing_setup(ap, adev, 0x40, adev->pio_mode, 1);
177 static void amd66_set_piomode(struct ata_port *ap, struct ata_device *adev)
179 timing_setup(ap, adev, 0x40, adev->pio_mode, 2);
182 static void amd100_set_piomode(struct ata_port *ap, struct ata_device *adev)
184 timing_setup(ap, adev, 0x40, adev->pio_mode, 3);
187 static void amd133_set_piomode(struct ata_port *ap, struct ata_device *adev)
189 timing_setup(ap, adev, 0x40, adev->pio_mode, 4);
193 * amd33_set_dmamode - set initial DMA mode data
197 * Program the MWDMA/UDMA modes for the AMD and Nvidia
201 static void amd33_set_dmamode(struct ata_port *ap, struct ata_device *adev)
203 timing_setup(ap, adev, 0x40, adev->dma_mode, 1);
206 static void amd66_set_dmamode(struct ata_port *ap, struct ata_device *adev)
208 timing_setup(ap, adev, 0x40, adev->dma_mode, 2);
211 static void amd100_set_dmamode(struct ata_port *ap, struct ata_device *adev)
213 timing_setup(ap, adev, 0x40, adev->dma_mode, 3);
216 static void amd133_set_dmamode(struct ata_port *ap, struct ata_device *adev)
218 timing_setup(ap, adev, 0x40, adev->dma_mode, 4);
223 * nv_probe_init - cable detection
226 * Perform cable detection. The BIOS stores this in PCI config
230 static int nv_pre_reset(struct ata_port *ap) {
231 static const struct pci_bits nv_enable_bits[] = {
232 { 0x50, 1, 0x02, 0x02 },
233 { 0x50, 1, 0x01, 0x01 }
236 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
238 if (!pci_test_config_bits(pdev, &nv_enable_bits[ap->port_no]))
241 return ata_std_prereset(ap);
244 static void nv_error_handler(struct ata_port *ap)
246 ata_bmdma_drive_eh(ap, nv_pre_reset,
247 ata_std_softreset, NULL,
251 static int nv_cable_detect(struct ata_port *ap)
253 static const u8 bitmask[2] = {0x03, 0x0C};
254 struct pci_dev *pdev = to_pci_dev(ap->host->dev);
259 pci_read_config_byte(pdev, 0x52, &ata66);
260 if (ata66 & bitmask[ap->port_no])
261 cbl = ATA_CBL_PATA80;
263 cbl = ATA_CBL_PATA40;
265 /* We now have to double check because the Nvidia boxes BIOS
266 doesn't always set the cable bits but does set mode bits */
267 pci_read_config_word(pdev, 0x62 - 2 * ap->port_no, &udma);
268 if ((udma & 0xC4) == 0xC4 || (udma & 0xC400) == 0xC400)
269 cbl = ATA_CBL_PATA80;
274 * nv100_set_piomode - set initial PIO mode data
278 * Program the AMD registers for PIO mode.
281 static void nv100_set_piomode(struct ata_port *ap, struct ata_device *adev)
283 timing_setup(ap, adev, 0x50, adev->pio_mode, 3);
286 static void nv133_set_piomode(struct ata_port *ap, struct ata_device *adev)
288 timing_setup(ap, adev, 0x50, adev->pio_mode, 4);
292 * nv100_set_dmamode - set initial DMA mode data
296 * Program the MWDMA/UDMA modes for the AMD and Nvidia
300 static void nv100_set_dmamode(struct ata_port *ap, struct ata_device *adev)
302 timing_setup(ap, adev, 0x50, adev->dma_mode, 3);
305 static void nv133_set_dmamode(struct ata_port *ap, struct ata_device *adev)
307 timing_setup(ap, adev, 0x50, adev->dma_mode, 4);
310 static struct scsi_host_template amd_sht = {
311 .module = THIS_MODULE,
313 .ioctl = ata_scsi_ioctl,
314 .queuecommand = ata_scsi_queuecmd,
315 .can_queue = ATA_DEF_QUEUE,
316 .this_id = ATA_SHT_THIS_ID,
317 .sg_tablesize = LIBATA_MAX_PRD,
318 .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
319 .emulated = ATA_SHT_EMULATED,
320 .use_clustering = ATA_SHT_USE_CLUSTERING,
321 .proc_name = DRV_NAME,
322 .dma_boundary = ATA_DMA_BOUNDARY,
323 .slave_configure = ata_scsi_slave_config,
324 .slave_destroy = ata_scsi_slave_destroy,
325 .bios_param = ata_std_bios_param,
327 .resume = ata_scsi_device_resume,
328 .suspend = ata_scsi_device_suspend,
332 static struct ata_port_operations amd33_port_ops = {
333 .port_disable = ata_port_disable,
334 .set_piomode = amd33_set_piomode,
335 .set_dmamode = amd33_set_dmamode,
336 .mode_filter = ata_pci_default_filter,
337 .tf_load = ata_tf_load,
338 .tf_read = ata_tf_read,
339 .check_status = ata_check_status,
340 .exec_command = ata_exec_command,
341 .dev_select = ata_std_dev_select,
343 .freeze = ata_bmdma_freeze,
344 .thaw = ata_bmdma_thaw,
345 .error_handler = amd_error_handler,
346 .post_internal_cmd = ata_bmdma_post_internal_cmd,
347 .cable_detect = ata_cable_40wire,
349 .bmdma_setup = ata_bmdma_setup,
350 .bmdma_start = ata_bmdma_start,
351 .bmdma_stop = ata_bmdma_stop,
352 .bmdma_status = ata_bmdma_status,
354 .qc_prep = ata_qc_prep,
355 .qc_issue = ata_qc_issue_prot,
357 .data_xfer = ata_data_xfer,
359 .irq_handler = ata_interrupt,
360 .irq_clear = ata_bmdma_irq_clear,
361 .irq_on = ata_irq_on,
362 .irq_ack = ata_irq_ack,
364 .port_start = ata_port_start,
367 static struct ata_port_operations amd66_port_ops = {
368 .port_disable = ata_port_disable,
369 .set_piomode = amd66_set_piomode,
370 .set_dmamode = amd66_set_dmamode,
371 .mode_filter = ata_pci_default_filter,
372 .tf_load = ata_tf_load,
373 .tf_read = ata_tf_read,
374 .check_status = ata_check_status,
375 .exec_command = ata_exec_command,
376 .dev_select = ata_std_dev_select,
378 .freeze = ata_bmdma_freeze,
379 .thaw = ata_bmdma_thaw,
380 .error_handler = amd_error_handler,
381 .post_internal_cmd = ata_bmdma_post_internal_cmd,
382 .cable_detect = ata_cable_unknown,
384 .bmdma_setup = ata_bmdma_setup,
385 .bmdma_start = ata_bmdma_start,
386 .bmdma_stop = ata_bmdma_stop,
387 .bmdma_status = ata_bmdma_status,
389 .qc_prep = ata_qc_prep,
390 .qc_issue = ata_qc_issue_prot,
392 .data_xfer = ata_data_xfer,
394 .irq_handler = ata_interrupt,
395 .irq_clear = ata_bmdma_irq_clear,
396 .irq_on = ata_irq_on,
397 .irq_ack = ata_irq_ack,
399 .port_start = ata_port_start,
402 static struct ata_port_operations amd100_port_ops = {
403 .port_disable = ata_port_disable,
404 .set_piomode = amd100_set_piomode,
405 .set_dmamode = amd100_set_dmamode,
406 .mode_filter = ata_pci_default_filter,
407 .tf_load = ata_tf_load,
408 .tf_read = ata_tf_read,
409 .check_status = ata_check_status,
410 .exec_command = ata_exec_command,
411 .dev_select = ata_std_dev_select,
413 .freeze = ata_bmdma_freeze,
414 .thaw = ata_bmdma_thaw,
415 .error_handler = amd_error_handler,
416 .post_internal_cmd = ata_bmdma_post_internal_cmd,
417 .cable_detect = ata_cable_unknown,
419 .bmdma_setup = ata_bmdma_setup,
420 .bmdma_start = ata_bmdma_start,
421 .bmdma_stop = ata_bmdma_stop,
422 .bmdma_status = ata_bmdma_status,
424 .qc_prep = ata_qc_prep,
425 .qc_issue = ata_qc_issue_prot,
427 .data_xfer = ata_data_xfer,
429 .irq_handler = ata_interrupt,
430 .irq_clear = ata_bmdma_irq_clear,
431 .irq_on = ata_irq_on,
432 .irq_ack = ata_irq_ack,
434 .port_start = ata_port_start,
437 static struct ata_port_operations amd133_port_ops = {
438 .port_disable = ata_port_disable,
439 .set_piomode = amd133_set_piomode,
440 .set_dmamode = amd133_set_dmamode,
441 .mode_filter = ata_pci_default_filter,
442 .tf_load = ata_tf_load,
443 .tf_read = ata_tf_read,
444 .check_status = ata_check_status,
445 .exec_command = ata_exec_command,
446 .dev_select = ata_std_dev_select,
448 .freeze = ata_bmdma_freeze,
449 .thaw = ata_bmdma_thaw,
450 .error_handler = amd_error_handler,
451 .post_internal_cmd = ata_bmdma_post_internal_cmd,
452 .cable_detect = amd_cable_detect,
454 .bmdma_setup = ata_bmdma_setup,
455 .bmdma_start = ata_bmdma_start,
456 .bmdma_stop = ata_bmdma_stop,
457 .bmdma_status = ata_bmdma_status,
459 .qc_prep = ata_qc_prep,
460 .qc_issue = ata_qc_issue_prot,
462 .data_xfer = ata_data_xfer,
464 .irq_handler = ata_interrupt,
465 .irq_clear = ata_bmdma_irq_clear,
466 .irq_on = ata_irq_on,
467 .irq_ack = ata_irq_ack,
469 .port_start = ata_port_start,
472 static struct ata_port_operations nv100_port_ops = {
473 .port_disable = ata_port_disable,
474 .set_piomode = nv100_set_piomode,
475 .set_dmamode = nv100_set_dmamode,
476 .mode_filter = ata_pci_default_filter,
477 .tf_load = ata_tf_load,
478 .tf_read = ata_tf_read,
479 .check_status = ata_check_status,
480 .exec_command = ata_exec_command,
481 .dev_select = ata_std_dev_select,
483 .freeze = ata_bmdma_freeze,
484 .thaw = ata_bmdma_thaw,
485 .error_handler = nv_error_handler,
486 .post_internal_cmd = ata_bmdma_post_internal_cmd,
487 .cable_detect = nv_cable_detect,
489 .bmdma_setup = ata_bmdma_setup,
490 .bmdma_start = ata_bmdma_start,
491 .bmdma_stop = ata_bmdma_stop,
492 .bmdma_status = ata_bmdma_status,
494 .qc_prep = ata_qc_prep,
495 .qc_issue = ata_qc_issue_prot,
497 .data_xfer = ata_data_xfer,
499 .irq_handler = ata_interrupt,
500 .irq_clear = ata_bmdma_irq_clear,
501 .irq_on = ata_irq_on,
502 .irq_ack = ata_irq_ack,
504 .port_start = ata_port_start,
507 static struct ata_port_operations nv133_port_ops = {
508 .port_disable = ata_port_disable,
509 .set_piomode = nv133_set_piomode,
510 .set_dmamode = nv133_set_dmamode,
511 .mode_filter = ata_pci_default_filter,
512 .tf_load = ata_tf_load,
513 .tf_read = ata_tf_read,
514 .check_status = ata_check_status,
515 .exec_command = ata_exec_command,
516 .dev_select = ata_std_dev_select,
518 .freeze = ata_bmdma_freeze,
519 .thaw = ata_bmdma_thaw,
520 .error_handler = nv_error_handler,
521 .post_internal_cmd = ata_bmdma_post_internal_cmd,
522 .cable_detect = nv_cable_detect,
524 .bmdma_setup = ata_bmdma_setup,
525 .bmdma_start = ata_bmdma_start,
526 .bmdma_stop = ata_bmdma_stop,
527 .bmdma_status = ata_bmdma_status,
529 .qc_prep = ata_qc_prep,
530 .qc_issue = ata_qc_issue_prot,
532 .data_xfer = ata_data_xfer,
534 .irq_handler = ata_interrupt,
535 .irq_clear = ata_bmdma_irq_clear,
536 .irq_on = ata_irq_on,
537 .irq_ack = ata_irq_ack,
539 .port_start = ata_port_start,
542 static int amd_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
544 static struct ata_port_info info[10] = {
547 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
549 .mwdma_mask = 0x07, /* No SWDMA */
550 .udma_mask = 0x07, /* UDMA 33 */
551 .port_ops = &amd33_port_ops
553 { /* 1: Early AMD7409 - no swdma */
555 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
558 .udma_mask = 0x1f, /* UDMA 66 */
559 .port_ops = &amd66_port_ops
561 { /* 2: AMD 7409, no swdma errata */
563 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
566 .udma_mask = 0x1f, /* UDMA 66 */
567 .port_ops = &amd66_port_ops
571 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
574 .udma_mask = 0x3f, /* UDMA 100 */
575 .port_ops = &amd100_port_ops
579 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
582 .udma_mask = 0x3f, /* UDMA 100 */
583 .port_ops = &amd100_port_ops
587 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
590 .udma_mask = 0x7f, /* UDMA 133, no swdma */
591 .port_ops = &amd133_port_ops
593 { /* 6: AMD 8111 UDMA 100 (Serenade) */
595 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
598 .udma_mask = 0x3f, /* UDMA 100, no swdma */
599 .port_ops = &amd133_port_ops
601 { /* 7: Nvidia Nforce */
603 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
606 .udma_mask = 0x3f, /* UDMA 100 */
607 .port_ops = &nv100_port_ops
609 { /* 8: Nvidia Nforce2 and later */
611 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
614 .udma_mask = 0x7f, /* UDMA 133, no swdma */
615 .port_ops = &nv133_port_ops
617 { /* 9: AMD CS5536 (Geode companion) */
619 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
622 .udma_mask = 0x3f, /* UDMA 100 */
623 .port_ops = &amd100_port_ops
626 static struct ata_port_info *port_info[2];
627 static int printed_version;
628 int type = id->driver_data;
632 if (!printed_version++)
633 dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
635 pci_read_config_byte(pdev, PCI_REVISION_ID, &rev);
636 pci_read_config_byte(pdev, 0x41, &fifo);
638 /* Check for AMD7409 without swdma errata and if found adjust type */
639 if (type == 1 && rev > 0x7)
642 /* Check for AMD7411 */
645 pci_write_config_byte(pdev, 0x41, fifo & 0x0F);
647 pci_write_config_byte(pdev, 0x41, fifo | 0xF0);
650 if (type == 5 && pdev->subsystem_vendor == PCI_VENDOR_ID_AMD &&
651 pdev->subsystem_device == PCI_DEVICE_ID_AMD_SERENADE)
652 type = 6; /* UDMA 100 only */
655 ata_pci_clear_simplex(pdev);
659 port_info[0] = port_info[1] = &info[type];
660 return ata_pci_init_one(pdev, port_info, 2);
664 static int amd_reinit_one(struct pci_dev *pdev)
666 if (pdev->vendor == PCI_VENDOR_ID_AMD) {
668 pci_read_config_byte(pdev, 0x41, &fifo);
669 if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7411)
671 pci_write_config_byte(pdev, 0x41, fifo & 0x0F);
673 pci_write_config_byte(pdev, 0x41, fifo | 0xF0);
674 if (pdev->device == PCI_DEVICE_ID_AMD_VIPER_7409 ||
675 pdev->device == PCI_DEVICE_ID_AMD_COBRA_7401)
676 ata_pci_clear_simplex(pdev);
678 return ata_pci_device_resume(pdev);
682 static const struct pci_device_id amd[] = {
683 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_COBRA_7401), 0 },
684 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7409), 1 },
685 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_VIPER_7411), 3 },
686 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_OPUS_7441), 4 },
687 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_8111_IDE), 5 },
688 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_IDE), 7 },
689 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_IDE), 8 },
690 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_IDE), 8 },
691 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_IDE), 8 },
692 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3S_IDE), 8 },
693 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_IDE), 8 },
694 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_IDE), 8 },
695 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_IDE), 8 },
696 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_IDE), 8 },
697 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE), 8 },
698 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_IDE), 8 },
699 { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_IDE), 8 },
700 { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_IDE), 9 },
705 static struct pci_driver amd_pci_driver = {
708 .probe = amd_init_one,
709 .remove = ata_pci_remove_one,
711 .suspend = ata_pci_device_suspend,
712 .resume = amd_reinit_one,
716 static int __init amd_init(void)
718 return pci_register_driver(&amd_pci_driver);
721 static void __exit amd_exit(void)
723 pci_unregister_driver(&amd_pci_driver);
726 MODULE_AUTHOR("Alan Cox");
727 MODULE_DESCRIPTION("low-level driver for AMD PATA IDE");
728 MODULE_LICENSE("GPL");
729 MODULE_DEVICE_TABLE(pci, amd);
730 MODULE_VERSION(DRV_VERSION);
732 module_init(amd_init);
733 module_exit(amd_exit);